.wrapper{
	position:absolute;
	background:#F2F7FF none repeat scroll 0 0;
	border:1px solid #C6DEFF;
	padding:5px;
	width:300px;
	height:300px;
}
.wrapper span{
	border-bottom:14px dashed transparent;
	border-top:14px dashed transparent;
	font-size:0;
	height:0;
	line-height:0;
	position:absolute;
	width:0;
	display:block;
}
.wrapper span span{
	top:-14px;
}
.wrapper .leftSpan{border-right:14px solid #C6DEFF;	left:-14px;}
.wrapper .leftSpan span{border-right:13px solid #F2F7FF;left:2px;}
.wrapper .rightSpan{border-left:14px solid #C6DEFF;left:311px;}
.wrapper .rightSpan span{border-left:13px solid #F2F7FF;left:-15px;}